From: Bill Schmidt <wschmidt@linux.ibm.com>
Date: Thu, 13 May 2021 18:10:10 +0000 (-0500)
Subject: rs6000: Conditionally define __ROP_PROTECT__
X-Git-Tag: releases/gcc-11.2.0~362
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=426241cd9eac844b7f4f8741a8f540b4a2b5f4c7;p=thirdparty%2Fgcc.git

rs6000: Conditionally define __ROP_PROTECT__

2021-05-13  Bill Schmidt  <wschmidt@linux.ibm.com>

gcc/
	* config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
	__ROP_PROTECT__ if -mrop-protect is selected.
---

diff --git a/gcc/config/rs6000/rs6000-c.c b/gcc/config/rs6000/rs6000-c.c
index 0f8a629ff5a0..afcb5bb6e39f 100644
--- a/gcc/config/rs6000/rs6000-c.c
+++ b/gcc/config/rs6000/rs6000-c.c
@@ -602,6 +602,9 @@ rs6000_target_modify_macros (bool define_p, HOST_WIDE_INT flags,
   /* Whether pc-relative code is being generated.  */
   if ((flags & OPTION_MASK_PCREL) != 0)
     rs6000_define_or_undefine_macro (define_p, "__PCREL__");
+  /* Tell the user -mrop-protect is in play.  */
+  if (rs6000_rop_protect)
+    rs6000_define_or_undefine_macro (define_p, "__ROP_PROTECT__");
 }
 
 void